import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class Sample204 {
	private static final DateFormat FORMAT = new SimpleDateFormat("yyyyMMddHHmmss");

	public static String dateEx(String time, int seconds) throws ParseException {
		Date date = FORMAT.parse(time);
		return dateEx(date, seconds);
	}
	public static String dateEx(int seconds) {
		return dateEx(new Date(), seconds);
	}

	private static String dateEx(Date date, int seconds) {
		Calendar cal = Calendar.getInstance();
		cal.setTime( date );
		cal.add(Calendar.SECOND, seconds);
		return FORMAT.format(cal.getTime());
	}


	public static void main(String[] args) {
		try {
			System.out.println(dateEx("20080827235925",40));
			System.out.println(dateEx(0));
		} catch (ParseException ex) {
			ex.printStackTrace();
		}
	}
}